Fix scanner tests broken with previous changes
Add tests to ensure objects are properly preserved
SHA256 calculations. Remove share db files!

If you see the below error, remove the share db file
(e.g. ~/.local/share/clearskies/share_*).

/usr/lib/ruby/1.9.1/digest.rb:44:in `initialize': can't convert
Hash into String (TypeError)
Merge branch 'jake'